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ISL6753

Features: Adjustable Resonant Delay for ZVS Operation Voltage- or Current-Mode Operation 3% Current Limit Threshold 175A Startup Current Supply UVLO Adjustable Deadtime Control Adjustable Soft-Start Adjustable Oscillator Frequency Up to 2MHz Tight Tolerance Error Amplifier Reference Over Line, Loa...

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ISL6753: Features: Adjustable Resonant Delay for ZVS Operation Voltage- or Current-Mode Operation 3% Current Limit Threshold 175A Startup Current Supply UVLO Adjustable Deadtime Control Adjustable Soft-Start...

ISL6753 Data Sheet

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Part Number:
ISL6753
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/29

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Product Details

Description



Features:

Adjustable Resonant Delay for ZVS Operation
Voltage- or Current-Mode Operation
3% Current Limit Threshold
175A Startup Current
Supply UVLO
Adjustable Deadtime Control
Adjustable Soft-Start
Adjustable Oscillator Frequency Up to 2MHz
Tight Tolerance Error Amplifier Reference Over Line,
Load, and Temperature
5MHz GBWP Error Amplifier
Adjustable Cycle-by-Cycle Peak Current Limit
Fast Current Sense to Output Delay
70ns Leading Edge Blanking
Multi-Pulse Suppression
Buffered Oscillator Sawtooth Output
Internal Over Temperature Protection
Pb-free and ELV, WEEE, RoHS Compliant






Application

ZVS Full-Bridge Converters
Telecom and Datacom Power
Wireless Base Station Power
File Server Power
Industrial Power Systems




Pinout

Connection Diagram




Specifications

Supply Voltage, VDD. . . . . . . . . . . . . . . . . . . ........GND - 0.3V to +20.0V
OUTxxx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........GND - 0.3V to VDD
Signal Pins. . . . . . . . . . . . . . . . . . . . . ...........GND - 0.3V to VREF + 0.3V

VREF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......... GND - 0.3V to 6.0V
Peak GATE Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ 0.1A
ESD Classification
Human Body Model (Per MIL-STD-883 Method 3015.7). . ..............3000V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . ..............1000V






Description

The ISL6753 is a high-performance, low-pin-count alternative, zero-voltage switching (ZVS) full-bridge PWM controller. Like the ISL6551, The ISL6753 achieves ZVS operation by driving the upper bridge FETs at a fixed 50% duty cycle while the lower bridge FETS are trailing-edge modulated with adjustable resonant switching delays. Compared to the more familiar phase-shifted control method, this algorithm offers equivalent efficiency and improved overcurrent and lightload performance with less complexity in a lower pin count package. This advanced BiCMOS ISL6753 design features low operating current, adjustable oscillator frequency up to 2MHz, adjustable soft-start, internal over temperature protection, precision deadtime and resonant delay control, and short propagation delays. Additionally, Multi-Pulse Suppression ensures alternating output pulses at low duty cycles where pulse skipping may occur.




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